131569720

素因数分解:

$2^3\times 5^1\times {\mathrm{3289243}}^1$

素因数の和:3289254

約数の個数: 16

約数和(自身を含む): 296031960

約数和(自身を除く): 164462240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3289243, 6578486, 13156972, 16446215, 26313944, 32892430, 65784860, 131569720]

約数ペア:

[(1, 131569720), (2, 65784860), (4, 32892430), (5, 26313944), (8, 16446215), (10, 13156972), (20, 6578486), (40, 3289243)]